<!DOCTYPE html>
<html lang="en">
<head th:fragment="header">
    <!-- 必要的标签 -->
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
    <!-- Bootstrap CSS -->
    <link crossorigin="anonymous" integrity="sha512-6KY5s6UI5J7SVYuZB4S/CZMyPylqyyNZco376NM2Z8Sb8OxEdp02e1jkKk/wZxIEmjQ6DRCEBhni+gpr9c4tvA==" href="https://lib.baomitu.com/twitter-bootstrap/5.1.1/css/bootstrap.min.css" rel="stylesheet">
    <link rel="stylesheet" th:href="@{/css/style.css}">
  <script src="https://cdn.jsdelivr.net/npm/chart.js"></script>

</head>
<body>

<nav th:fragment="navbar" class="navbar navbar-expand-lg navbar-dark bg-dark">
  <div class="container">
    <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarTogglerDemo03" aria-controls="navbarTogglerDemo03" aria-expanded="false" aria-label="Toggle navigation">
      <span class="navbar-toggler-icon"></span>
    </button>
    <a class="navbar-brand" href="#">IO</a>

    <div class="collapse navbar-collapse" id="navbarTogglerDemo03">
      <ul class="navbar-nav mr-auto mt-2 mt-lg-0">
        <li class="nav-item active">
          <a class="nav-link" th:href="@{/}">主页 ></a>
        </li>
        <li class="nav-item">
          <a class="nav-link" th:href="@{/}">学生</a>
        </li>
        <li class="nav-item">
          <a class="nav-link " th:href="@{/}">项目</a>
        </li>
      </ul>
  </div>


    <form class="form-inline my-2 my-lg-0">
      <input class="form-control mr-sm-2" type="search" placeholder="Search" aria-label="Search">
      <button class="btn btn-outline-success my-2 my-sm-0" type="submit">Search</button>
    </form>
  </div>
</nav>


</body>
</html>